package com.company.book_store.dao;

import com.company.book_store.pojo.User;

import java.util.List;

public interface Iuserdao {
    public User selectByIdandpsw(User user);
    public int insertUser(User user);
    public User selectByusername(User user);
    public User selectByaccount(String str);
    public List<User> selectall();
    public int updateuser(User user);
}
